Define a commodity hardware? Does commodity hardware include ram?
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shouldn't DFS be able to handle large volumes of data already?
What does /etc /init.d do?
What is a 'block' in HDFS?
How does a namenode handle the failure of the data nodes?
Can we have multiple entries in the master files?
Explain the basic difference between traditional rdbms and hadoop?
Which are the three main hdfs-site.xml properties?
What is the purpose of RawComparator interface?
What stored in HDFS?
On what basis data will be stored on a rack?
What is Hadoop serialization?
What is difference between regular file system and HDFS?
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